Expertise & Experience
Our team consists of trained professionals. We love our work. Our extensive knowledge and hands-on experience will help guide you toward incredible new in-home experiences. Ask us questions! We stay up-to-date with the latest industry standards and techniques.
Let’s level-up your living experience!
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Here comes The Sun
Let in the Sun with better Windows & Doors, Professionally Installed, For the Right Price.
Replacement Windows
Intensify your home’s style and performance with Top quality Top Sash windows! Find the best choice to your home with amazing Top Sash vinyl windows – great product well known for delivering unrivaled permanence. In addition to our numerous window replacement designs, you can fully customize your Top Sash windows with grid styles, glass options and exterior colors.
New Patio Doors
Quality sliding patio doors, in wood or vinyl, consist of two or more large glass door panels. They will open with a gentle push for years to come and giving you more usable space on your patio and in your home. Large glass panes let a large amount of natural light into the room and also allow for unobstructed views of the outdoors. Available in extensive options for the ultimate in customization.
Front Door Upgrades
Where home begins! Your front door is the centerpiece of your exterior and can greatly impact your curb appeal. Our products deliver uncompromising quality, inside and out, and provide inspired designs in virtually unlimited choices that complement architectural and homeowner styles. Make your entry door a breath-taking experience.
"We're a 5-star rated hard-working team that is anxious to meet our next customer."
Our STATS
Years Of Experience
Completed replacement projects to customer's satisfaction
Positive reviews
We Love Our Job
At Top Sash, we create smiles, friends, and beautiful living spaces that improve the quality of life for countless clients. Making home improvements is not just our job, it's our passion!
Expert Installation
Dedicated customer service department
24/7 online/offline customer service
1000's of happy Boston-area clients
Trust the Process.
Love the Result.
Live the Dream.
Installation is an art, each one is slightly different. and we are time-tested, 5-star-rated, high-quality artisans with a love for the craft and a dedication to making your space incredible.
Windows & Doors Blog
Window Styles 101: Choosing the Perfect Fit for Your Home’s Aesthetic
Windows do more than just let in light and fresh air—they define your home’s aesthetic, enhance curb appeal, and impact energy efficiency. Choosing the right window style can transform your space, whether you're going for a modern, classic, or rustic look. Below,...
Enhancing Homes with Top Sash Windows & Doors
In the heart of Waltham, Massachusetts, Top Sash Windows & Doors stands as a beacon of quality and craftsmanship in the window and door industry.
Signs It’s Time to Replace Your Old Windows or Doors
Your windows and doors do more than just let in light or provide entry—they play a crucial role in your home’s energy efficiency, comfort, and curb appeal. But like any part of your home, they don’t last forever. Knowing when it's time for a replacement can save you...